working pages and app router

nextjs-pages/src/models/local/localModules.ts

@@ -0,0 +1,75 @@
+import { LocalAssignment } from "./assignment/localAssignment";
+import { IModuleItem } from "./IModuleItem";
+import { LocalCoursePage } from "./page/localCoursePage";
+import { LocalQuiz } from "./quiz/localQuiz";
+import { getDateFromString } from "./timeUtils";
+
+export interface LocalModule {
+  name: string;
+  assignments: LocalAssignment[];
+  quizzes: LocalQuiz[];
+  pages: LocalCoursePage[];
+}
+
+export const LocalModuleUtils = {
+  getSortedModuleItems(module: LocalModule): IModuleItem[] {
+    return [...module.assignments, ...module.quizzes, ...module.pages].sort(
+      (a, b) =>
+        (getDateFromString(a.dueAt)?.getTime() ?? 0) -
+        (getDateFromString(b.dueAt)?.getTime() ?? 0)
+    );
+  },
+
+  equals(module1: LocalModule, module2: LocalModule): boolean {
+    return (
+      module1.name.toLowerCase() === module2.name.toLowerCase() &&
+      LocalModuleUtils.compareCollections(
+        module1.assignments.sort((a, b) => a.name.localeCompare(b.name)),
+        module2.assignments.sort((a, b) => a.name.localeCompare(b.name))
+      ) &&
+      LocalModuleUtils.compareCollections(
+        module1.quizzes.sort((a, b) => a.name.localeCompare(b.name)),
+        module2.quizzes.sort((a, b) => a.name.localeCompare(b.name))
+      ) &&
+      LocalModuleUtils.compareCollections(
+        module1.pages.sort((a, b) => a.name.localeCompare(b.name)),
+        module2.pages.sort((a, b) => a.name.localeCompare(b.name))
+      )
+    );
+  },
+
+  compareCollections<T>(first: T[], second: T[]): boolean {
+    if (first.length !== second.length) return false;
+
+    for (let i = 0; i < first.length; i++) {
+      if (JSON.stringify(first[i]) !== JSON.stringify(second[i])) return false;
+    }
+
+    return true;
+  },
+
+  getHashCode(module: LocalModule): number {
+    const hash = new Map<string, number>();
+    hash.set(module.name.toLowerCase(), 1);
+    LocalModuleUtils.addRangeToHash(
+      hash,
+      module.assignments.sort((a, b) => a.name.localeCompare(b.name))
+    );
+    LocalModuleUtils.addRangeToHash(
+      hash,
+      module.quizzes.sort((a, b) => a.name.localeCompare(b.name))
+    );
+    LocalModuleUtils.addRangeToHash(
+      hash,
+      module.pages.sort((a, b) => a.name.localeCompare(b.name))
+    );
+
+    return Array.from(hash.values()).reduce((acc, val) => acc + val, 0);
+  },
+
+  addRangeToHash<T>(hash: Map<string, number>, items: T[]): void {
+    for (const item of items) {
+      hash.set(JSON.stringify(item), 1);
+    }
+  },
+};